/Engine/Plugins/Editor/StylusInput/Source/StylusInput/Public/IStylusInputModule.h
Retrieve the input device that is at the given index, or nullptr if not found. Corresponds to the StylusIndex inIStylusMessageHandler.
const [IStylusInputDevice](API\Plugins\StylusInput\IStylusInputDevice) * GetInputDevice ( int32 Index ) const